Element block pseudo-element :after generated with font-size 16px cursor default overflow hidden display block padding 20px margin 0px background border 0px rgba(0,0,0,1) solid font-weight normal outline none box-sizing content-box line-height 1 box-shadow 1px 1px 1px rgba(0,0,0,0.3) z-index auto transition opacity 1 transform width 160px height auto position static float none border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2)